My 08 Silverado just clicked 102K miles, when do you guys recommend changing the plugs? I don't have any engine miss or problems, just figured it may help my MPGs ...

SilveradoZ-71 · by **SilveradoZ-71** [OP] » Jun 14 2012, 4:06am

My 08 Silverado just clicked 102K miles, when do you guys recommend changing the plugs? I don't have any engine miss or problems, just figured it may help my MPGs if I stick a new set in? Also what brand? I have always used AC Delco in my Chevys, do I need to stick with them? Another question is there a replaceable fuel filter on this truck? I've tried looking it up on AutoZone's site but it doesn't show one?

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Machster69 · by **Machster69** » Jun 14 2012, 4:29am

1)Change them now
2)ac delco
3)and no serviceable fuel filter

ASTE25 · by **ASTE25** » Jun 14 2012, 4:58am

^^^^As above. Very good young Danielson (Machster69). lol.

Machster69 · by **Machster69** » Jun 14 2012, 12:30pm

Yeh i know this witty cop/mechanic guy, i pay attention to what he says... Ha!

Machster69 · by **Machster69** » Jun 14 2012, 12:31pm

Anyone know someone like that?^^^^^

SilveradoZ-71 · by **SilveradoZ-71** [OP] » Jun 14 2012, 1:55pm

Thanks guys I'll get a set put in soon. Any suggestions on plug wires? I'm a Mack/Volvo truck tech, haven't had to play with any has burners since I sold my old 86 k10! Lol I'm used to working on the big boys everyday. Doing a engine swap on a mixer now.

fishersfort · by **fishersfort** » Jun 14 2012, 2:01pm

I've heard these platinum plugs don't give you the warning (rough running) older plugs give when they're about to go. Therefore we're supposed to replace them at 100,000 miles, even though they appear to working great.

Anyone else hear this same story? Can't recall where I heard it.

JCunningham · by **JCunningham** » Jun 14 2012, 11:00pm

use only oem plugs and wires. aftermarket is all junk.

ASTE25 · by **ASTE25** » Jun 15 2012, 12:55am

I would stick with AC Delco's.

sparkplug · by **sparkplug** » Jun 15 2012, 1:43am

how hard to change plug on these engine ? im looking at my plug wire and it say ac delco, with 185k miles, I dont know when last time the wire been change, but the preview owner told me he change out plug with " expensive kind " so I guest he use regular platium plug.

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My 08 Silverado just clicked 102K miles, when do you guys recommend changing the plugs? I don't have any engine miss or problems, just figured it may help my MPGs ...

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